#define _CRT_SECURE_NO_WARNINGS 0
#include<stdio.h>
int main()
{
	int a = 0, b = 0, c = 0;
	scanf("%d,%d,%d",&a,&b,&c);
	int temp;
	if (a < b)
	{
		temp = a;
		a = b;
		b = temp;
	}
	if (a < c)
	{
		temp = a;
		a = c;
		c = temp;
	}
	if (b < c)
	{
		temp = b;
		b = c;
		c = temp;
	}
	printf("%d,%d,%d", a, b, c);
	return 0;
}